Rare

High frequency

3–30 MHz range of the electromagnetic spectrum

High frequency (HF) is the ITU designation for the band of radio waves with frequency between 3 and 30 megahertz (MHz). It is also known as the decameter band or decameter wave as its wavelengths range from one to ten decameters (ten to one hundred meters).

Attack
7,200
Defense
6,260
readers / month
693
Article length
62 kB · 26 languages

Text from Wikipedia, CC BY-SA 4.0 · Authors

High frequency is a Rare card because its Wikipedia article was read 693 times in the last 30 days. Its 62 KB of text give it 7,200 attack, and coverage in 26 Wikipedia language editions gives it 6,260 defense.